Three-hole self-tapping inserts can be used to fix some steel, aluminum and other materials. Its main functions are as follows:
1. Strengthened fixation: Through the self-tapping performance of the self-tapping inserts and the locking force of the three round holes, the fixing force can be greatly enhanced to ensure safety and reliability.
2. Beautiful: On the surface of steel, aluminum and other materials, self-tapping inserts can reduce holes or marks after installation, and maintain the aesthetics of the surface.
3. Adjust the hole distance: When the original installation hole position is not fixed firmly, you can install the self-tapping screw sleeve, adjust the screw hole position to a suitable position, and use screws to fix it, avoiding the problem of re-drilling.
4. Enhanced durability: Through the installation of self-tapping screw sleeves, the wear resistance and durability of raw material files can be enhanced, and it is more stable and reliable during use.